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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 16:25:52 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-01 11:32:52 +0300
commitb0b5e9b1304765d079c71373df236733765f42ac (patch)
tree13411195b384d64ae76846fd7d5ea5a526f427f6 /arch/powerpc/include/asm/book3s/64/radix-64k.h
parent34fbadd8e98bbd85f503298152654f677db47ae3 (diff)
downloadlinux-b0b5e9b1304765d079c71373df236733765f42ac.tar.xz
powerpc/mm/radix: Add radix pte #defines
This adds Power ISA 3.0 specific pte defines. We share most of the details with hash Linux page table format. This patch indicates only things where we differ. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/radix-64k.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/radix-64k.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/radix-64k.h b/arch/powerpc/include/asm/book3s/64/radix-64k.h
new file mode 100644
index 000000000000..82dc355f0b45
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/64/radix-64k.h
@@ -0,0 +1,12 @@
+#ifndef _ASM_POWERPC_PGTABLE_RADIX_64K_H
+#define _ASM_POWERPC_PGTABLE_RADIX_64K_H
+
+/*
+ * For 64K page size supported index is 13/9/9/5
+ */
+#define RADIX_PTE_INDEX_SIZE 5 /* 2MB huge page */
+#define RADIX_PMD_INDEX_SIZE 9 /* 1G huge page */
+#define RADIX_PUD_INDEX_SIZE 9
+#define RADIX_PGD_INDEX_SIZE 13
+
+#endif /* _ASM_POWERPC_PGTABLE_RADIX_64K_H */